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authorTim Newsome <tim@sifive.com>2016-06-30 18:57:24 -0700
committerTim Newsome <tim@sifive.com>2016-07-19 11:24:25 -0700
commit3ed5afdc5b7e2c32bc6facf410c8fa091dd55470 (patch)
tree736738c27c4366d2583b93ea91eb8710b7995a1a /debug/programs/entry.S
parenta8f4c20794b4eff8089f7fedb2d1bb4eff0a08d4 (diff)
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I think I've finally got malloc working right.
Now gdb can call functions and change strings.
Diffstat (limited to 'debug/programs/entry.S')
-rwxr-xr-xdebug/programs/entry.S6
1 files changed, 3 insertions, 3 deletions
diff --git a/debug/programs/entry.S b/debug/programs/entry.S
index 480b404..80904cd 100755
--- a/debug/programs/entry.S
+++ b/debug/programs/entry.S
@@ -3,7 +3,7 @@
#include "encoding.h"
-#define STACK_SIZE 128
+#define STACK_SIZE 512
#ifdef __riscv64
# define LREG ld
@@ -124,9 +124,9 @@ trap_entry:
addi sp, sp, 32*REGBYTES
mret
- .bss
+ // Fill the stack with data so we can see if it was overrun.
.align 4
stack_bottom:
- .skip STACK_SIZE
+ .fill STACK_SIZE/4, 4, 0x22446688
stack_top:
#endif